CN1808912B - 纠错译码器 - Google Patents

纠错译码器 Download PDF

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Publication number
CN1808912B
CN1808912B CN2005100897287A CN200510089728A CN1808912B CN 1808912 B CN1808912 B CN 1808912B CN 2005100897287 A CN2005100897287 A CN 2005100897287A CN 200510089728 A CN200510089728 A CN 200510089728A CN 1808912 B CN1808912 B CN 1808912B
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China
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likelihood
likelihood information
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CN2005100897287A
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Chinese (zh)
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CN1808912A (zh
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斋藤利行
矢野隆
玉木刚
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Hitachi Ltd
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Hitachi Ltd
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4161—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management
    • H03M13/4169—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management using traceback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4138—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions
    • H03M13/4146—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions soft-output Viterbi decoding according to Battail and Hagenauer in which the soft-output is determined using path metric differences along the maximum-likelihood path, i.e. "SOVA" decoding

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  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CN2005100897287A 2005-01-17 2005-08-05 纠错译码器 Expired - Fee Related CN1808912B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005-008512 2005-01-17
JP2005008512 2005-01-17
JP2005008512A JP4432781B2 (ja) 2005-01-17 2005-01-17 誤り訂正復号器

Publications (2)

Publication Number Publication Date
CN1808912A CN1808912A (zh) 2006-07-26
CN1808912B true CN1808912B (zh) 2011-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005100897287A Expired - Fee Related CN1808912B (zh) 2005-01-17 2005-08-05 纠错译码器

Country Status (3)

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US (1) US7636879B2 (ja)
JP (1) JP4432781B2 (ja)
CN (1) CN1808912B (ja)

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US20080152044A1 (en) * 2006-12-20 2008-06-26 Media Tek Inc. Veterbi decoding method for convolutionally encoded signal
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CN101145789B (zh) * 2007-07-23 2011-06-29 华东师范大学 高速维特比译码器幸存路径管理模块
US20090041166A1 (en) * 2007-08-09 2009-02-12 Mbit Wireless, Inc. Method and apparatus to improve information decoding when its characteristics are known a priori
FR2922699A1 (fr) * 2007-10-18 2009-04-24 Canon Kk Decodage iteratif dans un reseau maille, procede et systeme correspondants
US20100031130A1 (en) * 2008-08-04 2010-02-04 Legend Silicon Corp. Forward error correction (fec) and variable length code (vlc) joint decoding
JP2011135163A (ja) * 2009-12-22 2011-07-07 Fujitsu Ltd 復号方法
RU2421900C1 (ru) 2010-02-27 2011-06-20 Тимур Георгиевич Келин Многоканальный последовательный декодер витерби
TWI394378B (zh) * 2010-05-17 2013-04-21 Novatek Microelectronics Corp 維特比解碼器及寫入與讀取方法
CN102142849B (zh) * 2011-02-15 2014-07-30 无锡物联网产业研究院 一种维特比译码方法及维特比译码器
JP6155959B2 (ja) 2013-08-19 2017-07-05 富士通株式会社 復号化装置、及び、復号化方法
TWI569589B (zh) * 2015-05-13 2017-02-01 晨星半導體股份有限公司 維特比解碼裝置及維特比解碼方法
CN106301395A (zh) * 2015-06-10 2017-01-04 晨星半导体股份有限公司 维特比解码装置及维特比解码方法
CN109245856B (zh) * 2018-09-20 2021-03-09 中国人民解放军海军航空大学 一种基于差分似然差下归零Turbo码码长以及帧同步识别方法
US11533126B1 (en) 2021-08-20 2022-12-20 Cisco Technology, Inc. Soft-output Viterbi equalizer for non-binary modulation

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CN1282149A (zh) * 1999-07-21 2001-01-31 三菱电机株式会社 涡轮码纠错译码器、涡轮码纠错译码方法、涡轮码译码装置及涡轮码译码系统
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JP3823731B2 (ja) * 2001-01-17 2006-09-20 株式会社日立製作所 誤り訂正復号器
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US6484283B2 (en) * 1998-12-30 2002-11-19 International Business Machines Corporation Method and apparatus for encoding and decoding a turbo code in an integrated modem system
CN1282149A (zh) * 1999-07-21 2001-01-31 三菱电机株式会社 涡轮码纠错译码器、涡轮码纠错译码方法、涡轮码译码装置及涡轮码译码系统
US6445755B1 (en) * 1999-09-14 2002-09-03 Samsung Electronics Co, Ltd. Two-step soft output viterbi algorithm decoder using modified trace back
CN1301087A (zh) * 1999-12-23 2001-06-27 华为技术有限公司 用于特博码的解码方法及其解码器

Also Published As

Publication number Publication date
JP4432781B2 (ja) 2010-03-17
JP2006197422A (ja) 2006-07-27
US7636879B2 (en) 2009-12-22
US20060161834A1 (en) 2006-07-20
CN1808912A (zh) 2006-07-26

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